Files
mailgo/internal/web/middleware/auth.go
T
2026-06-01 18:59:55 +08:00

56 lines
1.1 KiB
Go

package middleware
import (
"mail_go/internal/store"
"github.com/gin-contrib/sessions"
"github.com/gin-gonic/gin"
)
// AuthMiddleware checks for a valid session and loads the current user
// into the Gin context. If no valid session exists, it redirects to /login.
func AuthMiddleware(stores *store.Stores) gin.HandlerFunc {
return func(c *gin.Context) {
session := sessions.Default(c)
userID := session.Get("userID")
if userID == nil {
c.Redirect(302, "/login")
c.Abort()
return
}
// userID is stored as uint in session, but sessions.Get returns interface{}
// which may be stored as int or uint depending on the underlying store.
var id uint
switch v := userID.(type) {
case uint:
id = v
case int:
id = uint(v)
case int64:
id = uint(v)
case float64:
id = uint(v)
default:
session.Clear()
session.Save()
c.Redirect(302, "/login")
c.Abort()
return
}
user, err := stores.Users.GetByID(id)
if err != nil {
session.Clear()
session.Save()
c.Redirect(302, "/login")
c.Abort()
return
}
c.Set("currentUser", user)
c.Set("userID", id)
c.Next()
}
}